package org.example.blog.config;

import io.jsonwebtoken.Claims;
import lombok.extern.slf4j.Slf4j;
import org.example.blog.utils.JwtUtils;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.servlet.HandlerInterceptor;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
@Slf4j
@Configuration
public class LoginInterceptor implements HandlerInterceptor {
    @Override
    public boolean preHandle(HttpServletRequest request, HttpServletResponse response, Object handler) throws Exception {
        //进行用户登录校验
        //1.从header中获取token
        //2.验证token
        String token = request.getHeader("user_token");
        log.info("从Header中获取token"+token);
        Claims claims = JwtUtils.parseToken(token);
        if (claims == null){
            //token不合法
            response.setStatus(401);
            return false;
        }
        return true;
    }
}
